using Syncfusion.Windows.Forms.Tools;

public partial class Form1 : Form
{
    private DockingManager dockingManager1;
    private Panel solutionExplorer;
    private Panel toolbox;
    private Panel properties;
    private Panel output;

    public Form1()
    {
        InitializeComponent();
        
        // Create DockingManager
        this.dockingManager1 = new DockingManager(this.components);
        this.dockingManager1.HostControl = this;
        
        // Create dock panels
        this.solutionExplorer = new Panel();
        this.toolbox = new Panel();
        this.properties = new Panel();
        this.output = new Panel();
        
        // Add panels to form
        this.Controls.AddRange(new Control[] { 
            solutionExplorer, toolbox, properties, output 
        });
        
        // Enable docking for all panels
        this.dockingManager1.SetEnableDocking(solutionExplorer, true);
        this.dockingManager1.SetEnableDocking(toolbox, true);
        this.dockingManager1.SetEnableDocking(properties, true);
        this.dockingManager1.SetEnableDocking(output, true);
        
        // Set dock labels
        this.dockingManager1.SetDockLabel(solutionExplorer, "Solution Explorer");
        this.dockingManager1.SetDockLabel(toolbox, "Toolbox");
        this.dockingManager1.SetDockLabel(properties, "Properties");
        this.dockingManager1.SetDockLabel(output, "Output");
        
        // Arrange dock positions
        this.dockingManager1.DockControl(solutionExplorer, this, DockingStyle.Right, 250);
        this.dockingManager1.DockControl(toolbox, this, DockingStyle.Left, 200);
        this.dockingManager1.DockControl(properties, solutionExplorer, DockingStyle.Tabbed, 200);
        this.dockingManager1.DockControl(output, this, DockingStyle.Bottom, 150);
        
        // Apply visual style
        this.dockingManager1.VisualStyle = VisualStyle.Office2016Colorful;
    }
}

// Enable document mode
this.dockingManager1.EnableDocumentMode = true;

// Add document tabs in NewDockStateEndLoad event
this.dockingManager1.NewDockStateEndLoad += (s, e) =>
{
    this.dockingManager1.DockAsDocument(document1);
    this.dockingManager1.DockAsDocument(document2);
};

// Set window mode (Tool allows dock/float, Document allows float only)
this.dockingManager1.SetWindowMode(document1, WindowMode.Document);

// Dock a control to specific side
this.dockingManager1.DockControl(panel1, this, DockingStyle.Left, 200);

// Float a control at specific location
Rectangle bounds = new Rectangle(100, 100, 300, 400);
this.dockingManager1.FloatControl(panel1, bounds);

// Auto-hide a control
this.dockingManager1.SetAutoHideMode(panel1, true);

// Tab control with another
this.dockingManager1.DockControl(panel2, panel1, DockingStyle.Tabbed, 200);

// Hide close button for specific control
this.dockingManager1.SetCloseButtonVisibility(panel1, false);

// Hide pin (auto-hide) button
this.dockingManager1.SetAutoHideButtonVisibility(panel1, false);

// Add custom caption button
CaptionButton customBtn = new CaptionButton();
customBtn.Name = "CustomButton";
customBtn.ImageIndex = 3; // From ImageList
customBtn.Type = CaptionButtonType.Custom;
this.dockingManager1.CaptionButtons.Add(customBtn);

// Customize button colors
this.dockingManager1.ActiveCaptionButtonForeColor = Color.Red;
this.dockingManager1.InActiveCaptionButtonForeColor = Color.Gray;

using Syncfusion.Runtime.Serialization;

// Enable auto-save on close
this.dockingManager1.PersistState = true;

// Save to XML file manually
AppStateSerializer serializer = new AppStateSerializer(
    SerializeMode.XMLFile, "DockLayout");
this.dockingManager1.SaveDockState(serializer);
serializer.PersistNow();

// Load from XML file
AppStateSerializer serializer = new AppStateSerializer(
    SerializeMode.XMLFile, "DockLayout");
this.dockingManager1.LoadDockState(serializer);

// Save to memory stream (for database)
MemoryStream ms = new MemoryStream();
AppStateSerializer serializer = new AppStateSerializer(
    SerializeMode.BinaryFmtStream, ms);
this.dockingManager1.SaveDockState(serializer);
serializer.PersistNow();
// Store ms.ToArray() in database

// Track dock state changes
this.dockingManager1.DockStateChanged += (s, e) =>
{
    foreach (Control ctrl in e.Controls)
    {
        Console.WriteLine($"{ctrl.Name} state changed");
    }
};

// Prevent specific dock operations
this.dockingManager1.DockStateChanging += (s, e) =>
{
    if (e.NewState == DockState.Float && e.Controls[0] == panel1)
    {
        e.Cancel = true; // Prevent panel1 from floating
    }
};

// Handle control activation
this.dockingManager1.DockControlActivated += (s, e) =>
{
    Console.WriteLine($"{e.Control.Name} activated");
};

// Restrict dock sides dynamically
this.dockingManager1.PreviewDockHints += (s, e) =>
{
    if (e.DraggingTarget == panel2)
    {
        // Only allow right docking on panel2
        e.DockAbility = DockAbility.Right;
    }
};

// Restrict where control can dock (inner docking)
this.dockingManager1.SetDockAbility(panel1, DockAbility.Top | DockAbility.Bottom);

// Restrict where control can dock in client area (outer docking)
this.dockingManager1.SetOuterDockAbility(panel1, 
    DockAbility.Left | DockAbility.Right);

// Make control float-only (cannot re-dock)
this.dockingManager1.SetFloatOnly(panel1, true);

// Disable floating for specific control
this.dockingManager1.SetAllowFloating(panel1, false);

// Set visual style
this.dockingManager1.VisualStyle = VisualStyle.Office2016Colorful;

// Customize active caption colors
this.dockingManager1.ActiveCaptionBackground = new BrushInfo(
    GradientStyle.Horizontal, Color.DarkBlue, Color.LightBlue);
this.dockingManager1.ActiveCaptionForeGround = Color.White;

// Customize dock tab colors
this.dockingManager1.DockTabBackColor = Color.LightGray;
this.dockingManager1.ActiveDockTabBackColor = Color.White;
this.dockingManager1.DockTabForeColor = Color.Black;

// Customize document tab colors
this.dockingManager1.DocumentWindowSettings.TabBackColor = Color.SteelBlue;
this.dockingManager1.DocumentWindowSettings.ActiveTabBackColor = Color.Green;
this.dockingManager1.DocumentWindowSettings.TabHeight = 38;

// Set drag provider style
this.dockingManager1.DragProviderStyle = DragProviderStyle.VS2012;